C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 40-PDIL..
C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 44-VQFP (10x10)..
C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 44-PLCC (16.6x16.6)..
C251 8x251 Microcontroller IC 8/16-Bit 16MHz ROMless 44-PLCC (16.6x16.6)..
C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 44-PLCC (16.6x16.6)..
80C51 80C Microcontroller IC 8-Bit 30/20MHz ROMless 44-VQFP (10x10)..
80C51 80C Microcontroller IC 8-Bit 40/20MHz ROMless 44-VQFP (10x10)..
80C51 80C Microcontroller IC 8-Bit 30/20MHz ROMless 44-PLCC (16.6x16.6)..
80C51 80C Microcontroller IC 8-Bit 40/20MHz ROMless 44-PLCC (16.6x16.6)..
80C51 80C Microcontroller IC 8-Bit 30/20MHz ROMless 44-VQFP (10x10)..